Replacement expansion joiner for the Coolidge Post (7511 Series) and the MB1 Mailbox and Post Combo Kit (7680 Series).
Hardware Needed (not included): 2 set screws - 3/8"-16 Headless Hex Set Screw, 1 1/2 length
This part fits the following Item Numbers:
- 7511B-10
- 7511RZ
- 7680B-10
- 7680W-10